1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x299401221a7d492118c4188eed9d4ae97a0c0acfaf9566e4b9335aa7df70b0ee. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e7fb574a-71c5-4937-9569-ddeb21a579e2.json and https://artists.proofprofile.net/proofs/artist/e7fb574a-71c5-4937-9569-ddeb21a579e2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Two White Monsters Around a Round a Table
Não Se Deitam Comigo Corações Obedientes
Homenagem a 4 Poetas e 1 Cineasta / Não Há Mais Mundos
Queixas de um Utente / Deus é a Nossa Mulher a Dias